Which of the following is the semi-interquartile range of a distribution?
Mode - Median
Highest score - Lowest score
1/2 (Upper Quartile - Median)
1/2 (Upper Quartile - Lower Quartile)
Correct answer is D
"Semi" means "half"
Interquartile range = Upper quartile - Lower quartile
| Semi | interquartile | range | = | 1
2 |
( | upper | quartile | - | lower | quartile | ) |